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Herbal Extract

Birch Polypore

Also known as: Piptoporus betulinus, Leccinum scutiger, birch fungus, chaga-like polypore

C
Evidence

A wood-decay fungus traditionally used in Northern European and Asian folk medicine, often included in mushroom blends for immune support. Modern research on bioactive compounds is limited and largely preliminary.

Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.

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Primary uses

  • Immune support
  • General wellness
  • Antioxidant support

How it works

  • Potential polysaccharide and beta-glucan content
  • Possible antimicrobial compounds
  • Traditional use suggests anti-inflammatory activity

Dosage

Typical range
500-1500 mg daily (as part of mushroom blends)
Timing
With meals preferred
With food
Recommended to enhance bioavailability
Duration
Long-term safety data is limited
Special populations
Avoid in immunocompromised individuals without medical supervision; pregnancy/lactation data unavailable

Forms

  • Mycelium on rice biomass· 70/100
  • Fruiting body extracts· 70/100

Safety

Contraindications

  • Possible cross-reactivity in individuals with mold allergies
  • Theoretical concern for immunocompromised populations

Evidence notes

Very limited human clinical data. Traditional use in European herbalism but minimal rigorous RCT evidence. Mycelia on rice biomass form has not been specifically studied in humans.

Grade C: Mostly observational or small trials; mechanism is plausible but unproven at scale.

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.